Home / 28,618.60-42,923.30-7,837.24

Finding the Fourth Proportional to 28,618.60, 42,923.30 and 7,837.24

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Solution

The fourth proportional to 28,618.60, 42,923.30 and 7,837.24 is: 11,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618.60 : 42,923.30 = 7,837.24 : x
  2. Step 2: Convert to fraction form
    28,618.60/42,923.30 = 7,837.24/x
  3. Step 3: Cross multiply
    28,618.60x = 42,923.30 × 7,837.24
  4. Step 4: Simplify right side
    28,618.60x = 336,400,203.69
  5. Step 5: Solve for x
    x = 336,400,203.69/28,618.60
  6. Step 6: Final answer
    x = 11,754.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.